Automatic latch for scale beams



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the necessity of depending upon the Watchfulness and care of the operator as Well the great strain upon scales incidental to the chatterinof the beam back and :tor-th from the passage of persons, animals and vehicles over the scale plati'orm, in cases Where the operator forgets to latch the beam.

I claim:

1. The combination with a scale beam, of a latch member supported adjacent thereto'. having means engageable by the s ale beam to a utomatically shift the latch member into effective position when the scale beam rises.

2. The combination with a scale beam, of a latch member shitable into active position upon the rise of the beam and having means to subsequently lock the beam in low ermost position when the beam again lowers.

3. The combination with a scale beam anni an upright at the tree en'd of the beam, of a latch pivotally supported in Said upright.

Lezama having means engageable by the beam to shift the latch to active position when the scale beam rises.

4. rl`he combination with a scale beam and an uprightat the free end of the beam, o.: a gravity latch pivoted in said upright above the beam. having an upstaniling' weight arm shiftable to opposite sides of its vertical center, said latch member having` a depend4 ing latch piece tor engagement with the Scale beam when the said arm is at one side ol the I 

